#include <iostream>
using namespace std;
/* run this program using the console pauser or add your own getch, system("pause") or input loop */

int main(int argc, char** argv) {
	
    string str2 = "{34sy_r3v3rs3}";
    for(int index=0; index<str2.size(); ++index){
    if(str2[index]=='3' ){
    str2[index] = 'e';
    }else if(str2[index]=='4' ){
    str2[index]= 'a';}
    cout << str2 <<endl;
	return 0;
}
}